Canon EOS 10D is about 9 years old digital camera today. From that time in DSLR market many things changed, starting with much more mega pixels, features, high sensitivity and etc.
However I can assure that this camera can satisfy today many if not all photography needs for an advanced amateur. 6 mega pixels might sound not impressive comparing with modern cameras which are in the continuous race for more and more features that look impressive in the spec sheet. In fact, detail level that provides 6 mega pixel is enough to make A4+ prints with good detail and sharpness. This resolution will satisfy for group portraits and even for landscapes (I want to remind that for landscapes many photographers still use large format film cameras that provide far more detail than almost any DSLR).

Sensitivity range is 100 to 1600ISO (3200ISO is possible on the extended mode) and all these sensitivities are usable, on higher sensitivity you will see some noise while on lower sensitivities picture will be very clean. Modern DSLR provide much higher ISO range, but if we will remember days of film 800ISO was high sensitivity and for most of needs we used 100-400ISO that satisfied most of our needs. Sensor provides very good sharpness and detail, colors are great.

Camera is very well built, it has magnesium alloy body that feels very solid. It has built in flash that is effective on ISO 100 up to about 2.5 meters and like every DSLR accessory shoe for an external flash. LCD monitor is small, only 1.8", but it is sharp and bright.

I use this camera with vertical grip, it has compartment for two batteries - provides extremely long battery life and much more comfortable operation of this camera.

Canon EOS 10D is a very responsive camera, it focuses fast and accurately - much better than 5D. Real pleasure to use this camera. 10D does not suit sports photography because it has small buffer for only 9 shots and slow frame rate of 3 fps.

Summary: beautiful pictures, very details and great colors, very well built, today this camera is very cheap on the second hand market (100-150$). Fantastic camera for low price that can satisfy most of photography needs.